Home / 548,721.10-823,081.65-489,234.70

Finding the Fourth Proportional to 548,721.10, 823,081.65 and 489,234.70

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Solution

The fourth proportional to 548,721.10, 823,081.65 and 489,234.70 is: 733,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,721.10 : 823,081.65 = 489,234.70 : x
  2. Step 2: Convert to fraction form
    548,721.10/823,081.65 = 489,234.70/x
  3. Step 3: Cross multiply
    548,721.10x = 823,081.65 × 489,234.70
  4. Step 4: Simplify right side
    548,721.10x = 402,680,104,113.26
  5. Step 5: Solve for x
    x = 402,680,104,113.26/548,721.10
  6. Step 6: Final answer
    x = 733,852.05

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.